Allow overriding default of BUILD_TARGET via rust.BUILD_TARGET.

[Havard Eidnes <he%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Havard Eidnes <he%NetBSD.org@localhost>
Pushed By:	he
Date:		Sun Apr 11 13:10:44 2021 +0200
Changeset:	5b2d3051eee0d8aaa6d3968053af661792dd0621

Modified Files:
	rust/Makefile

Log Message:
Allow overriding default of BUILD_TARGET via rust.BUILD_TARGET.

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=5b2d3051eee0d8aaa6d3968053af661792dd0621

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 rust/Makefile | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diffs:
diff --git a/rust/Makefile b/rust/Makefile
index e097c269f2..a1cde654d7 100644
--- a/rust/Makefile
+++ b/rust/Makefile
@@ -48,11 +48,15 @@ CONFIGURE_ARGS+=		--disable-ninja
 # Include (optional) settings to cross-build rust
 .include "cross.mk"
 
+.if !empty(rust.BUILD_TARGET)
+BUILD_TARGET=	${rust.BUILD_TARGET)
+.endif
+
 .if !empty(TARGET)
 # Use "dist" build target for cross compile of bootstrap
-BUILD_TARGET=		dist
+BUILD_TARGET?=		dist
 .else
-BUILD_TARGET=		build
+BUILD_TARGET?=		build
 .endif
 
 # Getting RPATH with $ORIGIN into bootstrap may be troublesome, so